Color Digital IR/Day and Night Dome CCD CCTV Camera with Power Supply of 12V DC Model Number:2020 STH2020: 1/3-inch Sony 480TVL Current: 450mA STL2020: 1/3-inch Sony 420TVL Current: 400mA SFL2020: 1/4-inch Sony 420TVL Current: 400mA PTL2020: 1/3-inch Sharp 420TVL Current: 350mA PFL2020: 1/4-inch Sharp 420TVL Current: 350mA Usable illumination: 0.8LuxXF1.2 LED:36pcs with 30M distance TV system: PAL/NTSC AGC: on/off White balance: auto Backlight compensation: on/off S/N ratio: greater than 48dB Power supply: 12V DC Gamma characteristic:above 0.45 Pixels: 420TVL PAL (H x V): 500 x 582 NTSC (H x V): 510 x 492 Pixels: 480TVL PAL (H x V): 752 x 582 NTSC (H x V): 768 x 494